Net Income Per Common Share (Summary of Calculation of Basic and Diluted EPS) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Net income attributable to Vail Resorts, Inc.	$ 181,107	$ 157,632	$ 267,699	$ 215,027
Weighted-average Vail Resorts shares outstanding	39,996	36,217	38,871	36,312
Weighted-average Exchangeco shares outstanding	72	0	101	0
Total Weighted-average shares outstanding	40,068	36,217	38,972	36,312
Effect of dilutive securities	1,113	1,051	1,097	1,016
Weighted Average Number of Shares Outstanding, Diluted	41,181	37,268	40,069	37,328
Basic net income per share attributable to Vail Resorts, Inc.	$ 4.52	$ 4.35	$ 6.87	$ 5.92
Diluted net income per share attributable to Vail Resorts, Inc.	$ 4.40	$ 4.23	$ 6.68	$ 5.76